I have one, but i think i'm going to upgrade to a newer one so i'll be looking to sell the AX500a. I'm just trying to gauge how much it's worth now, and knowing the original price could help me work out a fair price.

Update from the Audio Sleuth. I went back to the Canadian Sound&Vision magazine "Audio/Video Preview 1996" (I was editor before I moved to "Audio" mag in New York) and checked the Axiom listings.

In 1996, there were two different versions of the Axiom AX500 subwoofer. One was passive (no internal amp) and listed at $599. It used the 10-inch aluminum-cone woofer.

The other Axiom AX500 was active and the internal amplifier was spec'd at 130 watts; that model listed at $899. That was typical power output of subwoofers of that era. Paradigm's largest sub in 1996 had an internal 120-watt amp.

I just checked the sub and it says it's 165 watts. Perhaps they bumped up the specs after 1996? Strange that the 'vintage axiom' link lists it at 400 watts.

Anyways, anyone have any idea what a reasonable asking price would be if i sell it used? Seeing as the powered versions used to retail for $899-$999? I should also mention the amp on the sub makes a very low humming. You can't really hear it unless you're a couple of feet away, and i wouldn't consider it a serious issue, but obviously it would knock a few bucks off the asking price. I was thinking maybe $350??

I'll have to call axiom and get them to help me set up this sub with my new yamaha amp. I previously had it set up with a pioneer amp and i was happy with it, but i can't seem to get it matched with the yamaha. One of the reasons i was thinking of upgrading to a new sub was the new yamaha amp doesn't have a powered switch so i have to turn the axiom sub on/off manually....which is very annoying. i still don't understand why new amps axed the powered switch!